Qa Manager Interview Questions

50,715 qa manager interview questions shared by candidates

You have 9 marbles which are all the same weight, except for one which is slightly heavier than the others. You also have an old?style balance, which allows you to weigh two piles of marbles to see which one is heavier (or if they are of equal weight). What is the fewest number of weighings that you can make which will tell you which marble is the heavier one ?
avatar

Quality Assurance Engineer

Interviewed at AppLogic Networks

3.7
Sep 26, 2012

You have 9 marbles which are all the same weight, except for one which is slightly heavier than the others. You also have an old?style balance, which allows you to weigh two piles of marbles to see which one is heavier (or if they are of equal weight). What is the fewest number of weighings that you can make which will tell you which marble is the heavier one ?

80% was behavioral and the 3 coding questions were not difficult (tachometer, pair of integers adding to a sum and another string problem to remove numbers from a mix of numbers and characters). Ability to tell your stories is really important. Interviewers keep taking notes while you answer.
avatar

Quality Assurance Engineer

Interviewed at Amazon

3.5
Jul 5, 2017

80% was behavioral and the 3 coding questions were not difficult (tachometer, pair of integers adding to a sum and another string problem to remove numbers from a mix of numbers and characters). Ability to tell your stories is really important. Interviewers keep taking notes while you answer.

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